David Bornstein`s How to Change the World is the first book to study a remarkable and growing group of individuals around the world--what Bornstein calls social entrepreneurs. These men and women are bringing innovative, and successful, grass-roots approaches to a wide variety of social and...

Starting a firm with expansive potential is an option for educated and high-skilled workers. This option serves as an insurance against unemployment caused by labor market frictions and hence increases the incentives for education. We show within a matching model that reducing the start-up costs...